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Finding the Fourth Proportional to 7,281.90, 10,926.90 and 4,510.08

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Solution

The fourth proportional to 7,281.90, 10,926.90 and 4,510.08 is: 6,767.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,281.90 : 10,926.90 = 4,510.08 : x
  2. Step 2: Convert to fraction form
    7,281.90/10,926.90 = 4,510.08/x
  3. Step 3: Cross multiply
    7,281.90x = 10,926.90 × 4,510.08
  4. Step 4: Simplify right side
    7,281.90x = 49,281,193.15
  5. Step 5: Solve for x
    x = 49,281,193.15/7,281.90
  6. Step 6: Final answer
    x = 6,767.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.